52222522440000 has 560 divisors, whose sum is σ = 190298476944576. Its totient is φ = 12529459200000.

The previous prime is 52222522439993. The next prime is 52222522440007. The reversal of 52222522440000 is 4422522225.

It is an interprime number because it is at equal distance from previous prime (52222522439993) and next prime (52222522440007).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a self number, because there is not a number n which added to its sum of digits gives 52222522440000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52222522440007) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 127836070 + ... + 128243930.

Almost surely, 2^{52222522440000} is an apocalyptic number.

52222522440000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52222522440000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95149238472288).

52222522440000 is an abundant number, since it is smaller than the sum of its proper divisors (138075954504576).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52222522440000 is a wasteful number, since it uses less digits than its factorization.

52222522440000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408004 (or 407979 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 30.

Adding to 52222522440000 its reverse (4422522225), we get a palindrome (52226944962225).

The spelling of 52222522440000 in words is "fifty-two trillion, two hundred twenty-two billion, five hundred twenty-two million, four hundred forty thousand".